Epoxy resin formulations and processes for producing aerospace-grade composites via low temperature, isothermal infusion
US-2024376278-A1 · Nov 14, 2024 · US
Method to produce a composite material
US9034776B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9034776-B2 |
| Application number | US-201013381106-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 31, 2010 |
| Priority date | Jun 29, 2009 |
| Publication date | May 19, 2015 |
| Grant date | May 19, 2015 |
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Abstract
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Method of producing an elastic composite material comprising the step of impregnating a fiber fabric with a liquid epoxy system comprising a non-aromatic epoxy resin and a hardener, and curing the impregnated fabric, whereby the epoxy system exhibits a tensile modulus lower than 15 MPa after cure.
First claim
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The invention claimed is: 1. Method of producing an elastic composite material comprising the step of a) impregnating a fiber fabric with a liquid epoxy system formed by mixing a non-aromatic epoxy diglycidyl ether resin selected from 1,6-hexanediol diglycidyl ether, 1,4-butanediol diglycidyl ether and 1,4-cyclohexanediol diglycidyl ether and one cycloaliphatic polyamine compound hardener having a viscosity of 300-400 mPa·s measured at 25° C. at a resin/hardener ratio in parts by…
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- What does patent US9034776B2 cover?
- Method of producing an elastic composite material comprising the step of impregnating a fiber fabric with a liquid epoxy system comprising a non-aromatic epoxy resin and a hardener, and curing the impregnated fabric, whereby the epoxy system exhibits a tensile modulus lower than 15 MPa after cure.
- Who is the assignee on this patent?
- Costantino Stephan, Roellinger Marcel, Huntsman Int Llc
- What technology area does this patent fall under?
- Primary CPC classification C08J5/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 19 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).